Lemma 6.43 (See [1]}.) 
 Referring to Notation REF ,
for \(0 \ne v \in E^*_0 V\)  the vectors \(\lbrace E^*_i A^i v\rbrace _{i=0}^d\)  form a basis of \(V\) 
that satisfies Definition REF (i).
With respect to this basis the matrix representing \(A\)  is normalized.

